Cheap flights from San Diego, CA to Knoxville, TN
Flights starting at $47. Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Tips to know when travelling to Knoxville
Cheapest one-way trip | $300 |
---|---|
Cheapest round-trip | $421 |
Most popular airline | Allegiant Air |
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Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Knoxville. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, Alaska Airlines, and United Airlines. San Diego and Knoxville have 254 direct flights per week.
Check-in for a flight from San Diego to Knoxville
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Weather in Knoxville
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 0°C |
February | 10°C | 1°C |
March | 15°C | 4°C |
April | 20°C | 8°C |
May | 25°C | 13°C |
June | 29°C | 18°C |
July | 30°C | 20°C |
August | 30°C | 19°C |
September | 27°C | 16°C |
October | 21°C | 10°C |
November | 14°C | 4°C |
December | 10°C | 2°C |
14 day forecast
Frequently asked questions
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